The Schneider Electric Masterpact NSX160N is a four-pole, 160A molded case circuit breaker (MCCB) from the premium Masterpact NSX range. The "N" suffix indicates its Standard breaking capacity, and it is equipped with a Micrologic 2.2 electronic trip unit.
Parameters:
Parameter Value / Description
Product Line / Frame Size Masterpact NSX160
Rated Current (In) 160 A (Set and protected by the installed Micrologic 2.2 trip unit).
Number of Poles 4 (L1, L2, L3, N). The specific configuration (e.g., 4P4D or 4P3D) determines if the neutral is fully protected or only switched.
Breaking Capacity Standard (N Rating).
Rated Ultimate Breaking Capacity (Icu) Typically 50 kA at 415V AC (IEC 60947-2). (Confirm for specific voltage).
Rated Service Breaking Capacity (Ics) 100% of Icu (IEC 60947-2).
Rated Operational Voltage (Ue) Up to 690 V AC
Trip Unit Micrologic 2.2 Electronic Trip Unit.
• Protection Functions: Long-time (L), Short-time (S), Instantaneous (I). Ground fault (G) protection is NOT included in the standard 2.2 unit.
• Features: Basic load monitoring (current display), adjustable protection settings for L, S, I.
Communication Not embedded. Can be optionally equipped with a separate communication module (e.g., OFC, CBE) for integration.
Standard IEC 60947-2
Mounting Withdrawable (standard racking mechanism) or Fixed.
Connection Front or Rear (depends on the kit).
Width Approx. 168 mm (for a 4-pole withdrawable unit).